Tube-and-tube heat exchanger (also known as tube-type condenser), divided into carbon steel tube-and-tube heat exchanger according to material, stainless steel tube-and-tube heat exchanger and carbon steel and stainless steel hybrid tube-and-tube heat exchanger According to the form, it is divided into fixed tube plate type, floating head type and U type tube type heat exchanger. According to the structure, it is divided into single tube, double tube and multi tube. The heat transfer area is 1~500m2, which can be customized according to user needs.

Shell-and-tube heat exchangers are general-purpose process equipment for heat exchange operations. Widely used in chemical, petroleum, petrochemical, electric power, light industry, metallurgy, atomic energy, shipbuilding, aviation, heating and other industrial sectors. Especially in petroleum refining and chemical processing equipment, it plays an extremely important role. The type of heat exchanger.

Steel lined copper heat exchangers are economical and technically guaranteed than stainless steel heat exchangers. It utilizes the strength of the steel and the corrosion resistance of the copper, that is, the heat exchanger can withstand a certain working pressure, and the heat output of the heat exchanger is good. The thickness of the steel lined copper is generally 1.0 mm. The steel lined copper heat exchanger must prevent partial vacuum from forming in the tank, so the product is shipped with an anti-vacuum valve. This valve must not be cancelled unless it is regularly inspected. Part of the vacuum may be formed due to improper discharge, poor heat exchangers at low water levels, or poor drainage systems. Water hammer or sudden pressure drop is also the cause of the pressure.

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